Implement virtual keyboard hiding.

ash/root_window_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
@@ skipping 80 matching lines @@
   RootWindowLayoutManager* root_window_layout() { return root_window_layout_; }
 
   WorkspaceController* workspace_controller() {
     return workspace_controller_.get();
   }
 
   AlwaysOnTopController* always_on_top_controller() {
     return always_on_top_controller_.get();
   }
 
+  keyboard::KeyboardController* keyboard_controller() {
+    return keyboard_controller_.get();
+  }
+
   ScreenDimmer* screen_dimmer() { return screen_dimmer_.get(); }
 
   // Access the shelf associated with this root window controller,
   // NULL if no such shelf exists.
   ShelfWidget* shelf() { return shelf_.get(); }
 
   // Get touch HUDs associated with this root window controller.
   TouchHudDebug* touch_hud_debug() const {
     return touch_hud_debug_;
   }
@@ skipping 158 matching lines @@
   scoped_ptr<DesktopBackgroundWidgetController> wallpaper_controller_;
   scoped_ptr<AnimatingDesktopController> animating_wallpaper_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 }  // namespace internal
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_